620662223 has 4 divisors (see below), whose sum is σ = 635800368. Its totient is φ = 605524080.

The previous prime is 620662201. The next prime is 620662243. The reversal of 620662223 is 322266026.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 620662223 - 2⁸ = 620661967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620662243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7569011 + ... + 7569092.

It is an arithmetic number, because the mean of its divisors is an integer number (158950092).

Almost surely, 2^620662223 is an apocalyptic number.

620662223 is a deficient number, since it is larger than the sum of its proper divisors (15138145).

620662223 is a wasteful number, since it uses less digits than its factorization.

620662223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138144.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 620662223 is about 24913.0934048745. The cubic root of 620662223 is about 853.0053810613.

The spelling of 620662223 in words is "six hundred twenty million, six hundred sixty-two thousand, two hundred twenty-three".